Yutilov, Yu. M.; Shcherbina, L. I.; Efremenko, A. F.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 7 p. 783 - 790
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , vol. 25, # 7 p. 940 - 947
Yutilov, Yu. M.; Shcherbina, L. I.; Efremenko, A. F.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 7 p. 783 - 790
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , vol. 25, # 7 p. 940 - 947